startList = function() 
	{
	if (document.all&&document.getElementById) 
		{navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) 
			{node = navRoot.childNodes [i];
			if (node.nodeName=="LI") 
				{node.onmouseover=function() 
					{this.className+=" over";
					}
				node.onmouseout=function () 
					{this.className=this.className.replace (" over", "");
					}
				}
			}
		}
	}

window.onload=startList;